Impact of New Rainfall Patterns on Detention Pond Design
Publication: Journal of Irrigation and Drainage Engineering
Volume 134, Issue 2
Abstract
A new set of dimensionless rainfall hyetographs has been developed for the state of South Carolina. The new hyetographs show trends similar to those developed recently in other states and in general have milder intensities and lower peak rainfall than the Soil Conservation Service (SCS) rainfall hyetographs. This paper evaluates the impact the new hyetographs have on rainfall runoff and detention pond design and compares the results with those using the SCS hyetographs. Peak discharges for basin runoff were reduced up to approximately 20% of the predicted peak runoff rate using the current SCS hyetographs. Detention pond peak stage was also reduced by 25–50% of the predicted SCS stage. This analysis suggests that design hyetographs should be regularly updated to incorporate recent rainfall data.
Get full access to this article
View all available purchase options and get full access to this article.
References
Applied Microcomputer Systems. (2003). HydroCAD stormwater modeling system owner’s manual, Release 7.00, HydroCAD Software Solutions LLC, Chocorua, N.H.
Huff, F. A. (1967). “Time distribution of rainfall in heavy storms.” Water Resour. Res., 3, 1007–1019.
Pilgrim, D. H., and Cordery, I. (1975). “Rainfall temporal patterns for design floods.” J. Hydr. Div., 101(1), 81–95.
Powell, D. N. (2005). “Dimensionless rainfall patterns for the design of hydraulic structures.” Master’s thesis, Clemson Univ., Clemson, S.C.
Powell, D. N., Khan, A. A., Aziz, N. M., and Raiford, J. P. (2007). “Dimensionless rainfall patterns for South Carolina.” J. Hydrol. Eng., 12(1), 130–133.
U.S. Soil Conservation Service (SCS). (1986). “Urban hydrology.” Technical Release No. 55, Department of Agriculture, Washington, D.C.
Information & Authors
Information
Published In
Journal of Irrigation and Drainage Engineering
Volume 134 • Issue 2 • April 2008
Pages: 197 - 201
Copyright
© 2008 ASCE.
History
Received: Oct 31, 2006
Accepted: Apr 9, 2007
Published online: Apr 1, 2008
Published in print: Apr 2008
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.